(19)

(11)

EP 2 838 644 A2

(12)

(88) Date of publication A3: 19.06.2014 (43) Date of publication: 25.02.2015 Bulletin 2015/09 (21) Application number: 13718677.1 (22) Date of filing: 05.04.2013

(51) International Patent Classification (IPC):  B01D 63/08(2006.01) B01D 71/02(2006.01) B01D 65/02(2006.01) C02F 1/44(2006.01) (86) International application number: PCT/US2013/035375 (87) International publication number: WO 2013/158378 (24.10.2013 Gazette 2013/43)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 19.04.2012 US 201261635378 P (71) Applicant: Lockheed Martin Corporation Bethesda, Maryland 20817 (US)	(72) Inventors: STETSON JR., John B. New Hope, Pennsylvania 18938 (US) VISS, Stanley J. Philadelphia, Pennsylvania 19104 (US) (74) Representative: Gagel, Roland  Patentanwalt Dr. Roland Gagel Landsberger Strasse 480a 81241 München 81241 München (DE)